CN104190767A - Fire-bending forming device for large-diameter bend - Google Patents
Fire-bending forming device for large-diameter bend Download PDFInfo
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- CN104190767A CN104190767A CN201410426413.6A CN201410426413A CN104190767A CN 104190767 A CN104190767 A CN 104190767A CN 201410426413 A CN201410426413 A CN 201410426413A CN 104190767 A CN104190767 A CN 104190767A
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- mandrel
- tubing
- bend pipe
- push pedal
- supporting seat
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Abstract
A fire-bending forming device for a large-diameter bend comprises a supporting base, a mandrel, a push plate and a heating device. The front end of the supporting base and the rear end of the supporting base are provided with end plates, one end of the mandrel is connected with the end place located at the rear end of the supporting base, pushing air cylinders are arranged on the end plate at the rear end of the supporting base, piston rods of the pushing air cylinders are connected with the push plate, the push plate is provided with a clamp, and the end plate at the front end of the supporting base is provided with a notch allowing the bend on the mandrel to pass through; the other end of the mandrel penetrates out from the notch and is connected with a bend mould; the bottom of the supporting base is provided with guide rails in the mandrel arrangement direction, the bottom of the push plate is provided with sliding grooves which can slide on the guide rails, and the piston rods of the pushing air cylinders can drive the push plate to move along the guide rails so as to enable the bend clamped by the clamp to be pushed onto the bend mould to be bent and formed. According to the fire-bending forming device, the pushing air cylinders drive the bend to enter the bend mould to be formed, the problem that a manual pipe bending machine is difficult in large-diameter pipe bending is solved, and the fire-bending forming device can meet the requirements of small-and-medium-sized enterprises.
Description
Technical field
The present invention relates to forming elbow technical field, specifically a kind of fire bending shaped device of major diameter bend pipe.
Background technology
Along with the fast development of China's economy, bend pipe is more and more extensive in the application in the fields such as power construction, construction of road and bridge and oil gas conveying.For needing the occasion of pipe arrangement in many medium-sized and small enterprises or large enterprises, as bend pipe of the oil pipe of the conduit under fluid pressure of the pressure oil pipe in engineering machinery, machine tool plant, engine and body-building apparatus etc., may not need the bending machine that function is complete, and being not difficult of processing pipe fitting, this serial bending machine is for user is accepted, and can meet instructions for use, needs its frame for movement of design simple, control element is few, holds susceptible to user acceptance in price.In prior art, have the hand of use bending machine, generally adopt cold roll forming, in order to prevent that in bend pipe process, drawing crack and wrinkling appear in tubing, the most general way is in tubing, to pour into sand, but exists the sand in tubing inner chamber to clear up sordid problem; And for major diameter or wall thickness compared with for large tubing, cold roll forming easily causes the wrinkling problem of bent tube section wall, the bending quality of institute's moulding is lower.
Summary of the invention
The object of the invention is to overcome the problem that hand bending machine in prior art is difficult to control major diameter bending quality, provide a kind of and can meet medium-sized and small enterprises demand, and make the fire bending shaped device of the stable major diameter bend pipe of the bending quality of moulding.
The technical scheme that the present invention adopted is for achieving the above object: a kind of fire bending shaped device of major diameter bend pipe, comprise supporting seat, for carrying the mandrel of tubing, be set on mandrel and for promoting the push pedal of tubing and for heating the heater of tubing, the rear and front end of supporting seat is provided with end plate, one end of mandrel is connected with the end plate of supporting seat rear end, the end plate of supporting seat is provided with propulsion cylinder, the piston rod of propulsion cylinder is connected with push pedal, push pedal is provided with for clamping the fixture of tubing, the end plate of supporting seat front end is provided with the recess passing through for the tubing on mandrel, the other end of described mandrel passes and is connected with the bend pipe mould consistent with its external diameter from this recess, described bend pipe mould is all consistent bows of each several part radian, heater is located at the periphery of mandrel, and the end of heater is corresponding with the connecting portion of mandrel and bend pipe mould, the bottom of described supporting seat is provided with mandrel setting party to consistent guide rail, the bottom of push pedal is provided with the chute that can slide on guide rail, the piston rod of propulsion cylinder can drive push pedal to move along guide rail, makes that the tubing of fixture clamping is pushed carries out bending forming to bend pipe mould.
Described propulsion cylinder is two, and the piston rod of two propulsion cylinders is all connected in push pedal.Further, be connected with mandrel setting party to consistent guide post between the end plate at supporting seat two ends, guide post symmetry is located at the both sides of mandrel, and described push pedal is located on two guide posts.The mating reaction of guide post and guide rail, prevents that tubing from, with producing and rock in push pedal moving process, guaranteeing the dimensional accuracy of tubing institute moulding bend pipe; And, can prevent that tubing from radially producing skew.
Further, between the top of end, supporting seat two ends, be connected with the connecting rod be arrangeding in parallel with mandrel, connecting rod be provided with can along its linear slide for lifting the suspender of tubing on mandrel, when the piston rod of propulsion cylinder drives push pedal that tubing is moved along mandrel, suspender can move with tubing along connecting rod, avoids major diameter tubing in motion process, to occur radial deflection.
Further, fixture is that bottom port can be folded in the inverted U folder on tubing, in push pedal, be vertically provided with the lift cylinder for driving fixture to move up and down, the end of piston rod and the top of fixture is vertical is connected in lift cylinder, by the action of piston rod in this lift cylinder, can make fixture be folded on tubing or from tubing and shift out, without manually extracting tubing.
Beneficial effect: 1, the present invention, by the action of propulsion cylinder, makes tubing move along mandrel with push pedal, and the piston rod speed of the propulsion cylinder being connected with push pedal is controlled, avoids manual operation because tubing wall is stressed, not wait the problem that occurs became uneven; The present invention drives tubing to enter moulding in bend pipe mould by propulsion cylinder, solved the problem that hand bending machine is difficult to major diameter tubing, can meet the demand of medium-sized and small enterprises;
2, the end of heater is corresponding with the junction of mandrel and bend pipe mould, and in the time of can guaranteeing that tubing enters bend pipe mould, the stress of bending is concentrated, and has improved the machining accuracy of major diameter bend pipe;
3, the present invention is by guide post and guide rail to the support of push pedal, guide effect, and the collaborative lifting effect of suspender to tubing, avoids radial deflection and the jitter phenomenon of major diameter tubing in motion process, guarantees the quality of major diameter tubing bending forming.
Accompanying drawing explanation
Fig. 1 is schematic perspective view of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the schematic diagram of push pedal in the present invention.
Reference numeral: 1, supporting seat, 2, mandrel, 3, tubing, 4, push pedal, 5, propulsion cylinder, 6, fixture, 7, bend pipe mould, 8, heater, 9, guide rail, 10, recess, 11, guide post, 12, connecting rod, 13, suspender, 14, lift cylinder, 15, chute, 16, through hole.
The specific embodiment
As shown in Figure 1, a kind of fire bending shaped device of major diameter bend pipe, comprise supporting seat 1, for carry tubing 3 mandrel 2, be set on mandrel 2 and for promoting the push pedal 4 of tubing 3 and for heating the heater 8 of tubing 3, mandrel 2 is longitudinally erected in supporting seat 1, the rear and front end of supporting seat 1 is equipped with end plate, for the tubing 3 of moulding bend pipe, is set in mandrel 2.
Wherein, one end of mandrel 2 is connected with the end plate of supporting seat 1 rear end, and the end plate of supporting seat 1 is provided with propulsion cylinder 5, the piston rod of propulsion cylinder 5 is connected with push pedal 4, as shown in Figure 2, propulsion cylinder 5 is two, and the piston rod of two propulsion cylinders is all connected in push pedal 4.For fear of tubing 3, in moving process, there is skew and jitter phenomenon, push pedal 4 is provided with for clamping the fixture 6 of tubing 3, fixture 6 can be folded in inverted U on tubing 3 folder for bottom port, in push pedal 4, be vertically provided with the lift cylinder 14 for driving fixture 6 to move up and down, the vertical connection of top of the end of piston rod and fixture 6 in lift cylinder 14.The end plate of supporting seat 1 front end is provided with the recess 10 passing through for the tubing 3 on mandrel 2; The other end of mandrel 2 passes and is connected with the bend pipe mould consistent with its external diameter 7 from this recess 10, bend pipe mould 7 is all consistent bows of each several part radian, heater 8 is located at the periphery of mandrel 2, and the end of heater 8 is corresponding with the connecting portion of mandrel 2 and bend pipe mould 7.
Fire bending shaped device of the present invention also comprises guide rail 9 and the guide post 11 that the motion of push pedal 4 is played to guiding, supporting role, and for lifting the suspender 13 of major diameter tubing 3.(1), as shown in Figure 1, the bottom of supporting seat 1 is provided with mandrel 2 setting parties to consistent guide rail 9, the bottom of push pedal 4 is provided with the chute 15 that can slide on guide rail 9, the piston rod of propulsion cylinder 5 can drive push pedal 4 to move along guide rail 9, makes that the tubing 3 of fixture 6 clamping is pushed carries out bending forming to bend pipe mould 7.Compared with prior art, when the fire bending shaped device of bend pipe can have been avoided traditional bending tube forming, bend pipe chimb tube wall tension attenuate, concave edge wall compression thickens and the even problem of bend pipe wall unevenness that causes.(2), as depicted in figs. 1 and 2, be connected with mandrel 2 setting parties to consistent guide post 11 between the end plate at supporting seat 1 two ends, guide post symmetry is located at the both sides of mandrel 2, and push pedal 4 is located on two guide posts; As shown in Figure 3, push pedal 4 is provided with the through hole that is respectively used to wear two guide posts and mandrel.Guide post 11 can play collaborative supporting role with 9 pairs of push pedals 4 of guide rail, even for major diameter tubing, also there will not be skew and jitter phenomenon in its motion process, guarantees the quality of institute's moulding bend pipe.(3), be connected with the connecting rod 12 be arrangeding in parallel with mandrel 2 between the top of supporting seat 1 two ends end plate, connecting rod 12 be provided with can along its linear slide for lifting the suspender 13 of tubing 3 on mandrel 2.
The fire bending shaped device of this bend pipe before use, is set in major diameter tubing 3 to be formed on mandrel 2; Then the fixture in push pedal 36 is folded on major diameter tubing 3, adjusts the position relationship of tubing 3 on heater 8 and mandrel 2, make the gap between heater 8 and tubing 3 even, and suspender 13 is lifted on tubing 3.During work, start heater 8 and propulsion cylinder 5, the piston rod of propulsion cylinder 5 drives push pedal 4 slowly to move forward, the tubing of 8 pairs of processes of heater heats, along with propulsion cylinder 5 ground slowly advance, make the position of close heater 8 on tubing by bend pipe mould 5 flexural deformations, finally realize the even moulding of bend pipe.Compared with prior art, the present invention relies on the action of propulsion cylinder 5 to realize the shaping work of tubing, the thrust inequality of avoiding manual operation to exist causes bend pipe bending inhomogeneous, the problem that easily occurs crumple distortion, improve the machining accuracy of major diameter bend pipe, and improved the qualification rate of major diameter bend pipe.
Claims (5)
1. the fire bending shaped device of a major diameter bend pipe, it is characterized in that: comprise supporting seat (1), be used for carrying the mandrel (2) of tubing (3), be set in mandrel (2) upper and for promoting the push pedal (4) of tubing (3) and for heating the heater (8) of tubing (3), the rear and front end of supporting seat (1) is equipped with end plate, one end of described mandrel (2) is connected with the end plate of supporting seat (1) rear end, the end plate of supporting seat (1) is provided with propulsion cylinder (5), the piston rod of propulsion cylinder (5) is connected with push pedal (4), push pedal (4) is provided with the fixture (6) for clamping tubing (3), the end plate of supporting seat (1) front end is provided with the recess (10) passing through for the tubing (3) on mandrel (2), the other end of described mandrel (2) passes and is connected with the bend pipe mould consistent with its external diameter (7) from this recess (10), described bend pipe mould (7) is all consistent bows of each several part radian, heater (8) is located at the periphery of mandrel (2), and the end of heater (8) is corresponding with the connecting portion of mandrel (2) and bend pipe mould (7), the bottom of described supporting seat (1) is provided with mandrel (2) setting party to consistent guide rail (9), the bottom of push pedal (4) is provided with can be at the upper chute (15) sliding of guide rail (9), the piston rod of propulsion cylinder (5) can drive push pedal (4) mobile along guide rail (9), makes that the tubing (3) of fixture (6) clamping is pushed carries out bending forming to bend pipe mould (7).
2. the fire bending shaped device of a kind of major diameter bend pipe according to claim 1, it is characterized in that: described propulsion cylinder (5) is two, and the piston rod of two propulsion cylinders is all connected in push pedal (4).
3. the fire bending shaped device of a kind of major diameter bend pipe according to claim 1, it is characterized in that: between the end plate at described supporting seat (1) two ends, be connected with mandrel (2) setting party to consistent guide post (11), guide post symmetry is located at the both sides of mandrel (2), and described push pedal (4) is located on two guide posts.
4. according to the fire bending shaped device of a kind of major diameter bend pipe described in claim 1 or 3, it is characterized in that: between the top of supporting seat (1) two ends end plate, be connected with the connecting rod (12) be arrangeding in parallel with mandrel (2), connecting rod (12) be provided with can along its linear slide for lifting the suspender (13) of the upper tubing (3) of mandrel (2).
5. the fire bending shaped device of a kind of major diameter bend pipe according to claim 1, it is characterized in that: described fixture (6), for bottom port can be folded in the inverted U folder on tubing (3), is vertically provided with the lift cylinder (14) for driving fixture (6) to move up and down in described push pedal (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426413.6A CN104190767B (en) | 2014-08-27 | 2014-08-27 | A kind of fire bending shaped device of major diameter bend pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410426413.6A CN104190767B (en) | 2014-08-27 | 2014-08-27 | A kind of fire bending shaped device of major diameter bend pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104190767A true CN104190767A (en) | 2014-12-10 |
| CN104190767B CN104190767B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410426413.6A Active CN104190767B (en) | 2014-08-27 | 2014-08-27 | A kind of fire bending shaped device of major diameter bend pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014384A (en) * | 2019-12-17 | 2020-04-17 | 章军伟 | Electromagnetic heating automatic pipe bending and receiving equipment |
| CN116586527A (en) * | 2023-07-18 | 2023-08-15 | 盐山亚汇管业有限公司 | Elbow pushing device and process convenient for feeding |
| CN117644140A (en) * | 2024-01-29 | 2024-03-05 | 沧州恒鑫高压管件有限公司 | High-pressure-resistant elbow forming device and forming process for thermal power station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657195A (en) * | 2004-02-20 | 2005-08-24 | 竭国忠 | Equipment and method for making non-ferrous metal seamlesi bend, bend pipe by thermal pushing |
| CN201880768U (en) * | 2010-10-27 | 2011-06-29 | 鞍钢建设集团有限公司 | Elbow pipe production unit |
| JP2013158786A (en) * | 2012-02-02 | 2013-08-19 | Awaji Materia Co Ltd | Pipe bending working method, bent pipe and pipe bending working apparatus |
| CN203635699U (en) * | 2014-01-10 | 2014-06-11 | 株洲双菱科技有限公司 | Spatial pipe bending machine for fire heating of steel pipes |
| CN204159708U (en) * | 2014-08-27 | 2015-02-18 | 河南新开源石化管道有限公司 | A kind of fire bending shaped device of major diameter bend pipe |
-
2014
- 2014-08-27 CN CN201410426413.6A patent/CN104190767B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1657195A (en) * | 2004-02-20 | 2005-08-24 | 竭国忠 | Equipment and method for making non-ferrous metal seamlesi bend, bend pipe by thermal pushing |
| CN201880768U (en) * | 2010-10-27 | 2011-06-29 | 鞍钢建设集团有限公司 | Elbow pipe production unit |
| JP2013158786A (en) * | 2012-02-02 | 2013-08-19 | Awaji Materia Co Ltd | Pipe bending working method, bent pipe and pipe bending working apparatus |
| CN203635699U (en) * | 2014-01-10 | 2014-06-11 | 株洲双菱科技有限公司 | Spatial pipe bending machine for fire heating of steel pipes |
| CN204159708U (en) * | 2014-08-27 | 2015-02-18 | 河南新开源石化管道有限公司 | A kind of fire bending shaped device of major diameter bend pipe |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111014384A (en) * | 2019-12-17 | 2020-04-17 | 章军伟 | Electromagnetic heating automatic pipe bending and receiving equipment |
| CN116586527A (en) * | 2023-07-18 | 2023-08-15 | 盐山亚汇管业有限公司 | Elbow pushing device and process convenient for feeding |
| CN116586527B (en) * | 2023-07-18 | 2023-09-05 | 盐山亚汇管业有限公司 | Elbow pushing device and process convenient for feeding |
| CN117644140A (en) * | 2024-01-29 | 2024-03-05 | 沧州恒鑫高压管件有限公司 | High-pressure-resistant elbow forming device and forming process for thermal power station |
| CN117644140B (en) * | 2024-01-29 | 2024-04-05 | 沧州恒鑫高压管件有限公司 | High-pressure-resistant elbow forming device and forming process for thermal power station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104190767B (en) | 2016-05-11 |
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